Poulan PR5020-967061401 gas chainsaw Parts

The Poulan PR5020-967061401 gas chainsaw has a 50.2 cc engine (50.2 cm³ cylinder displacement). You can confirm this in the Technical Data section of the PR5020-967061401 owner's manual.

Quick spec snapshot (PR5020)

Spec	Value
Engine displacement	50.2 cc (cm³)
Standard bar length	20 in (50 cm)
Chain pitch	3/8
Drive link gauge	0.050 in (1.3 mm)

Why “5020” usually means 50 cc

Poulan model names often reflect key specs; for the PR5020, the manual lists 50.2 cc, which is commonly rounded and marketed as “50 cc.”

Related parts that match the 20-in setup

If you are matching cutting attachments to the saw’s standard configuration, these model-listed parts are commonly referenced:

• Guide bar: chainsaw bar, 20-in 578133803
• Chain: chain 577180501

Why it matters

Engine size (cc) affects cutting power, recommended bar length, and how the saw performs under load. Using the correct bar and chain combination helps maintain safe operation and consistent cutting speed.

Last updated: February 2026

To start your Poulan PR5020-967061401 gas chainsaw, fuel it with the correct 50:1 mix, add bar and chain oil, then use the chain brake, primer bulb, and choke in the right order. Follow the quick-start steps in the PR5020-967061401 owner's manual to avoid flooding.

Cold start steps (engine is cool)

• Mix fuel at 50:1: 2.6 oz full synthetic 2-cycle oil per 1 gallon gasoline; shake well before filling.
• Fill the bar and chain oil tank.
• Lock the chain brake (push the front hand guard forward).
• Move the ON/STOP switch to ON.
• Press the primer bulb 10 times.
• Pull the blue choke lever fully out (full choke).
• Put the saw on the ground; right foot through the rear handle, left hand on the front handle.
• Pull the starter rope: pull slowly until you feel resistance, then pull firmly and rapidly up to 5 pulls.
• Push choke to half choke, then pull until the engine starts.
• Let it warm about 30 seconds, then squeeze and release the throttle trigger to set normal idle.

Warm start steps (recently ran)

Use the same sequence as a cold start, but skip full choke:

• Primer 10 times
• Choke fully out, then immediately to half choke
• Pull starter rope until it starts

If it will not start (common causes)

Most no-start complaints on this model come from fuel, air, or flooding. Check these first:

• Old fuel or wrong mix (always use fresh 50:1 mix)
• Chain brake position (locked for starting, then released before cutting)
• Over-priming or too many pulls (can flood the engine)
• Dirty air filter (replace if clogged)
• Cracked primer bulb (won’t move fuel)

Quick symptom guide

Symptom	Most likely cause	What to do
Starts then dies	Dirty air filter or fuel delivery issue	Check/replace filter, inspect fuel lines
Strong fuel smell, won’t start	Flooded engine	Push choke fully in (off choke), then pull to clear
Primer won’t fill or feels cracked	Primer bulb leak	Replace the ayp lawn & garden equipment engine carburetor primer bulb 530047721

Why it matters

Starting with the chain brake engaged and using the correct choke and primer sequence reduces kickback risk, prevents chain movement at start-up, and helps protect the carburetor and engine from repeated flooding.

Last updated: February 2026

Yes. Poulan Pro chainsaws like the Poulan PR5020-967061401 are a solid choice for homeowners who need reliable cutting power for occasional jobs (storm cleanup, firewood, yard work) when they are maintained correctly and operated safely; see the PR5020-967061401 owner's manual for operating and maintenance guidance.

What “good” means for this model

For a homeowner-grade gas chainsaw, “good” usually comes down to starting consistency, safe handling, and parts support. With the PR5020-967061401, you get a capable saw for periodic use, but it is not built for daily professional logging.

• Best fit: occasional to moderate cutting (seasonal firewood, cleanup)
• Not the best fit: all-day, every-day commercial use
• Maintenance matters most: clean air intake, good fuel, and correct idle/chain stop behavior
• Safety is non-negotiable: two-handed operation and a clear work area

Reliability depends on maintenance items you can service

Many “bad saw” complaints trace back to fuel delivery, air restriction, or starting components. These are common wear items and are straightforward to address.

• Keep the air path clean; replace the ayp chainsaw air filter 575296301 when it is dirty or damaged
• If priming is inconsistent or the bulb is cracked, replace the ayp lawn & garden equipment engine carburetor primer bulb 530047721
• If it starts but will not idle or bogs under load, the carburetor may need service or replacement (the ayp chainsaw carburetor 573952201 is a common fix)
• If the starter rope feels rough, slips, or will not retract, inspect recoil parts such as the craftsman chainsaw starter pulley kit 576744401

Quick comparison: homeowner use vs pro use

Use case	Poulan Pro PR5020-967061401 fit	What to focus on
Storm cleanup a few times a year	Good	Fresh fuel, clean filter, sharp chain
Regular firewood on weekends	Good	Air filter, carb tuning, bar and chain condition
Daily professional cutting	Not ideal	Pro-grade saw recommended

Why it matters

A chainsaw that is “good” on paper can still feel frustrating if it is out of adjustment or unsafe to operate. The manual emphasizes safe practices like keeping bystanders at least 10 meters (30 feet) away, operating with two hands, and confirming the chain stops moving when you release the throttle trigger; those habits protect you and also reduce wear on the clutch, chain brake, and engine.

Parts and support

You can order replacement parts for your PR5020-967061401 from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026

The Poulan PR5020-967061401 uses a 20-inch (50 cm) bar and an approved saw chain with chain part number 545196401. For this model, we list the matching replacement as the chain 577180501, and the approved 20-inch bar as the chainsaw bar, 20-in 578133803.

Confirming you have the right chain

Use these checks before you order:

• Verify your model number is PR5020-967061401 (usually on the housing or ID label).
• Confirm you are running a 20 in (50 cm) guide bar.
• Match the chain part number in the specs to 545196401.
• Compare your current chain length and fit on the bar; it should seat fully in the bar groove.
• Replace the chain if cutters are damaged, the chain stretches excessively, or it will not tension correctly.

Approved cutting attachment (from the manual)

Here is the model-specific combination we use for PR5020-967061401:

Item	Specification for PR5020-967061401
Standard bar length	20 in (50 cm)
Approved bar P/N	578133803
Approved chain P/N	545196401

For additional operating and maintenance details (including safety guidance for low-kickback chain and chain brake use), follow the PR5020-967061401 owner's manual.

Why it matters

Using the correct chain and bar combination helps the chain track properly, oil correctly, and cut safely. A mismatched chain can cause poor cutting, thrown chains, and extra wear on the clutch drum and sprocket.

Related parts that often go with a chain replacement

If you are refreshing the saw for reliable cutting, these parts commonly get serviced at the same time:

• Air filtration: ayp chainsaw air filter 575296301
• Chain brake components (if braking is weak or inconsistent): ayp chainsaw chain brake assembly 530029850
• Fuel system tune-up items (if starting is hard): ayp lawn & garden equipment engine carburetor primer bulb 530047721

To shop the full parts list for your model or search by part number, use the parts list on this page or visit Sears PartsDirect.

Last updated: February 2026